#3721AE#3721AE
#3721AE is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.0% C 0.205 H 278.1°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #3721AE |
|---|---|
| RGB | rgb(55, 33, 174) |
| HSL | hsl(249, 68%, 41%) |
| HSV | hsv(249, 81%, 68%) |
| CMYK | cmyk(68.4%, 81%, 0%, 31.8%) |
| CIE-LAB | lab(26.61, 50.47, -70.35) |
| CIE-LCH | lch(26.61, 86.58, 305.65°) |
| OKLab | oklab(38.99% 0.0289 -0.2032) |
| OKLCH | oklch(38.99% 0.205 278.1) |
| XYZ | xyz(9.7569, 4.9551, 40.4784) |
| Luminance | 0.0496 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 1.50
True Blue
#010FCC
ΔE00 4.36
Ultramarine
#2000B1
ΔE00 4.36
Cobalt Blue
#030AA7
ΔE00 4.90
Mediumblue
#0000CD
ΔE00 4.95
Violet Blue
#510AC9
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3721AE #98AE21
analogous
#2151AE #3721AE #7D21AE
triadic
#3721AE #AE3721 #21AE37
tetradic
#3721AE #AE2151 #98AE21 #21AE7D
square
#3721AE #AE2151 #98AE21 #21AE7D
split-complementary
#3721AE #AE7D21 #51AE21
monochromatic
#160D47 #27177B #3721AE #4D34D8 #7A67E2
Accessibility & contrast
On white
10.55
#3721AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#3721AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3721AE
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3721AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3721AE | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0044B2
Deuteranopia (green-blind)
#0039AC
Tritanopia (blue-blind)
#004D68
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #3721ae; /* rgb */ color: rgb(55, 33, 174); /* oklch */ color: oklch(39.0% 0.205 278.1);
Tailwind
colors: {
custom: {
50: '#8061c8',
500: '#3721ae',
950: '#000000',
},
}SCSS
$custom: #3721ae; $custom-light: #8061c8; $custom-dark: #000000;
JSON
{
"hex": "#3721ae",
"rgb": {
"r": 55,
"g": 33,
"b": 174
},
"hsl": {
"h": 249.362,
"s": 68.116,
"l": 40.588
},
"oklch": {
"l": 0.38988,
"c": 0.20526,
"h": 278.1
},
"luminance": 0.04956
}Semantic roles & 50–950 ramp
primary
#3721AE
secondary
#B8C863
accent
#EB3DD0
background
#F8F5FC
surface
#F0EAF8
border
#CBC6D1
text
#0C0513
muted
#7D7982